CN110058765A - A kind of liquid crystal instrument screenshotss method and system - Google Patents
A kind of liquid crystal instrument screenshotss method and system Download PDFInfo
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- CN110058765A CN110058765A CN201910352604.5A CN201910352604A CN110058765A CN 110058765 A CN110058765 A CN 110058765A CN 201910352604 A CN201910352604 A CN 201910352604A CN 110058765 A CN110058765 A CN 110058765A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/903—Querying
- G06F16/90335—Query processing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
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Abstract
The invention proposes a kind of liquid crystal instrument screenshotss methods, receive screenshotss triggering command；The display information of screen is read, selection needs the selection of screenshotss to show information；The selection is shown that information is compared with preset system character library, if comparing result matches, display position of the selection display information in screen is positioned, so that it is determined that screenshotss region；System character library has recorded coordinate of the display information in screen, and localization method is the coordinate for first obtaining display information display position in screen, if comparing result matching, navigates to respective coordinates position；According to fixed screenshotss region, carries out screenshotss and save picture；Display and transmission picture.This method is not to supporting the liquid crystal instrument screenshotss of touch function and carry out the real-time sharing of real-time vehicle operation information.The invention also provides a kind of liquid crystal instrument screen-cutting systems.
Description
Technical field
The present invention relates to display fields, and in particular to a kind of liquid crystal instrument screenshotss method and system.
Background technique
With the continuous development of electronic technology and internet it is universal, car owner to can carry out real-time sharing whenever and wherever possible
The demand for the situation of remote that liquid crystal instrument is shown is higher and higher.And learnt according to survey data (NHTSA-2010-0053), it drives
Member's one task of line of sight operation, the average time that expression in the eyes leaves the road suggest being within 2 s.If driver is when driving
Vehicle is driven on one side, is crossed steering wheel touch LCD instrument display screen with hand on one side and is read information, inconvenient for operation and sight meeting
It stops on a display screen for a long time, greatly increases the risk of driving.Based on security consideration, liquid crystal instrument should not be supported to touch function
Energy.Therefore all or part of vehicle conditions that will be shown on the liquid crystal instrument without touch function by simple steering wheel button operation
Information generates the new system that picture is shared and complies with and give birth to.
Currently on the market, it supports the display screen of touch function just to can be carried out screenshotss operation, such as needs to without touch function
All or part of situation of remote (such as oil consumption/mileage/failure information) for showing of liquid crystal instrument shared, car owner can only use
The modes such as take pictures carry out, and the operation is carried out in vehicle travel process and easily disperses car owner's attention, there are biggish security risks.
Car owner cannot carry out independent screenshotss to partial content when to display content screenshotss simultaneously, only complete in the picture after screenshotss
It carries out cutting again editing and can just obtain wanted information picture, bring very big inconvenience to car owner.
Patent document CN103714787A discloses a kind of display methods of liquid crystal instrument and the liquid crystal display dress of automobile
It sets, to need to intercept a large amount of picture when solving and showing data in the prior art, considerably increases the workload of designer, need
The problem of more time-triggered protocol data, the invention proposes a kind of display methods of liquid crystal instrument, comprising: obtains and needs in liquid
The data information of real-time display in brilliant instrument；The graphic template for having oriented display area is transferred, the graphic template is for putting
The display carrier of the data information is done on liquid crystal instrument；It is determined according to the data information, on the display area
Picture region；Only the picture region in the display area is shown.
Patent document CN104360816B discloses screenshotss method and system, and this method comprises the following steps: receiving screenshotss
After triggering command, reads current screen and show content, and determine screenshot picture initial position；The touch screen operation of user is monitored,
Screenshot picture final position is determined according to the touch screen operation；According to the screenshot picture initial position and the snapshot
Piece final position reads image data from frame buffer, and generates screenshot picture.
Above patent document is not directed to the technical solution according to predetermined system character library screenshotss.
Summary of the invention
The object of the present invention is to provide a kind of liquid crystal instrument screenshotss methods, to the liquid crystal instrument screenshotss for not supporting touch function
And carry out the real-time sharing of real-time vehicle operation information.
A kind of liquid crystal instrument screenshotss method of the present invention, includes the following steps:
S01: screenshotss triggering command is received；
S02: reading the display information of screen, and selection needs the selection of screenshotss to show information；
S03: the selection is shown that information is compared with preset system character library, if comparing result matches, positions the choosing
Display position of the display information in screen is selected, so that it is determined that screenshotss region；
S04: according to fixed screenshotss region, screenshotss is carried out and save picture；
S05: display and transmission picture.
Further, the system character library includes text, number, letter and symbol, and has recorded display information in screen
Coordinate.
Further, the method for the positioning in step S03 is the coordinate for first obtaining display information display position in screen,
If comparing result matches, respective coordinates position is navigated to.
Further, a kind of method that the selection display information in step S03 is compared with preset system character library is: institute
It states and text is set in system character library, the text of the selection display information is identical as text if judging, positions the selection
Display position of the information in screen is shown, so that it is determined that screenshotss region.
Further, another method that the selection display information in step S03 is compared with preset system character library is:
The multiple numerical intervals of setting in the system character library, if judging, the number of the selection display information is in a certain numerical value area
Between, then display position of the selection display information in screen is positioned, so that it is determined that screenshotss region.
Further, another method that the selection display information in step S03 is compared with preset system character library is:
Setting letter in the system character library, if judging, the unit of the selection display information is identical as letter, positions the choosing
Display position of the display information in screen is selected, so that it is determined that screenshotss region.
Further, another method that the selection display information in step S03 is compared with preset system character library is:
Symbol is set in the system character library, if judging, the symbol of the selection display information is identical as symbol, positions the choosing
Display position of the display information in screen is selected, so that it is determined that screenshotss region.
Further, the method for the progress screenshotss in step S04 is that the coordinate using display position in screen is formed as starting point
Round or fan-shaped, the region that the round or described sector surrounds is screenshotss range, obtains all pictures within the scope of the screenshotss
Vegetarian refreshments information is to generate picture.
The invention also provides a kind of liquid crystal instrument screen-cutting systems, including input module, trigger module, information processing mould
Block, selecting module, data module, screen capture module, display module and communication module；
The input module, for inputting screenshotss triggering command；
The trigger module, for receiving screenshotss triggering command, to trigger the message processing module；
The message processing module, including processing unit and elementary area；The processing unit, the display for reading screen are believed
Breath；Described image unit, for that will show that information is displayed on the screen；
The selecting module needs the selection of screenshotss to show information for selecting and transmitting；
The data module is used for storage system character library, and selection display information is compared with system character library；
The screen capture module, including coordinate unit, generation unit and storage unit；The coordinate unit, for receiving positioning letter
Number, display position of the selection display information in screen is positioned, coordinate data is obtained；The generation unit, for receiving
Coordinate data, screenshotss simultaneously save picture；The storage unit receives the picture that screenshotss generate；
The display module receives the picture of storage unit transmission, for display and editing picture；
The communication module, is used for transmission picture.
The beneficial effects of the present invention are:
Since display information will be selected to compare with preset system character library, if comparing result matches, regioselective display letter
The display position in screen is ceased, so that it is determined that screenshotss region.
A kind of method that selection display information is compared with preset system character library is: setting text in the system character library
Word, if judging, the text of the selection display information is identical as text, positions the selection and shows information in screen
Display position, so that it is determined that screenshotss region.
Another method that selection display information is compared with preset system character library is: setting in the system character library
Multiple numerical intervals, if judging, the number of the selection display information is in a certain numerical intervals, positions the selection
Display position of the information in screen is shown, so that it is determined that screenshotss region.
Another method that selection display information is compared with preset system character library is: setting in the system character library
Letter, if judging, the unit of the selection display information is identical as letter, positions the selection and shows information in screen
Display position, so that it is determined that screenshotss region.
Another method that selection display information is compared with preset system character library is: setting in the system character library
Symbol, if judging, the symbol of the selection display information is identical as symbol, positions the selection and shows information in screen
Display position, so that it is determined that screenshotss region.
This method is not to supporting the liquid crystal instrument screenshotss of touch function and carry out the real-time sharing of real-time vehicle operation information；
And operation is convenient, and can unrestricted choice screenshotss content, significant increase user experience.
Detailed description of the invention
Fig. 1 is flow diagram of the invention；
Fig. 2 is a kind of functional block diagram of liquid crystal instrument screen-cutting system；
Fig. 3 is electric operation control circuit figure.
In Fig. 3:
Mono- key of 1-, bis- key of 2-, tri- key of 3-, tetra- key of 4-；
The first fulcrum of 10-, the second fulcrum of 20-, 30- third fulcrum, the 4th fulcrum of 40-.
Specific embodiment
With reference to embodiment and attached drawing is described further the technical program.
Embodiment 1
The invention proposes a kind of liquid crystal instrument screenshotss methods, as shown in Figure 1, specifically comprising the following steps:
S01: after receiving screenshotss triggering command, into screenshotss mode, S02 is entered step.
Specifically, screenshotss triggering command can be inputted by circuit signal or CAN bus signal.
S02: reading the display information of screen, and shown with playing box form, needs the selection of screenshotss aobvious for selection by the user
Show information.
Acquire the display information of external unit (such as velocity sensor, speed probe) transmission.
Specifically, the display information includes indicator light information, fuel oil information (oil mass and oil pressure), water temperature information, speed
Information and rotary speed information etc..For example, speed is 30 km/h, revolving speed is 3000 r/min.
S03: the selection is shown that information is compared with preset system character library, if comparing result matches, positions institute
Display position of the selection display information in screen is stated, so that it is determined that screenshotss region.
Specifically, the system character library includes text, number, letter and symbol.
The method of positioning is the coordinate for first obtaining display information display position in screen, fixed if comparing result matches
Respective coordinates position is arrived in position.The i.e. described system character library has recorded coordinate of the display information in screen.
Preferably, a kind of method that selection display information is compared with preset system character library is: the system character library
Interior setting text, if judging, the text of the selection display information is identical as text, positions the selection and shows that information exists
Display position in screen, so that it is determined that screenshotss region.
For example, selection display information (average fuel consumption) and the average fuel consumption text phase being arranged in the system character library
Match, then positions display position of the selection display information in screen.
Preferably, another method that selection display information is compared with preset system character library is: the system word
Multiple numerical intervals are set in library, if judging, the number of the selection display information is in a certain numerical intervals, positions
Display position of the selection display information in screen, so that it is determined that screenshotss region.
For example, vehicle speed intervals are 0-300 km/h, revolving speed section is 1500-4000 r/min, and numerical value has significant difference,
The difference of numerical value is used as the foundation of judgement.
Preferably, another method that selection display information is compared with preset system character library is: the system word
Letter is set in library, if judging, the unit of the selection display information is identical as letter, positions the selection and shows information
Display position in screen, so that it is determined that screenshotss region.
For example, the unit km/h of selection display information (speed) and the km/h phase being arranged in the system character library
Match, then positions display position of the selection display information in screen.
Preferably, another method that selection display information is compared with preset system character library is: the system word
Symbol is set in library, if judging, the symbol of the selection display information is identical as symbol, positions the selection and shows information
Display position in screen, so that it is determined that screenshotss region.
For example, symbol of the symbol for selecting display information for display water temperature, with the water being arranged in the system character library
Warm symbol matches, then positions display position of selection display information (water temperature) in screen.
S04: according to fixed screenshotss region, screenshotss is carried out and save picture.
Preferably, a kind of method for carrying out screenshotss is coordinate using display position in screen as starting point, with certain length
(such as 3cm) is that radius forms round or sector, and the region that the round or described sector surrounds is screenshotss range, and obtaining should
All pixels point information (such as position and RGB information of pixel) within the scope of screenshotss is to generate picture.
Picture format is BMP format, and is convertible into PNG format or JPG format.
S05: display and transmission picture.
Specifically, sending picture by wechat or microblogging.
Embodiment 2
The invention also provides a kind of liquid crystal instrument screen-cutting systems, as shown in Fig. 2, at including input module, trigger module, information
Manage module, selecting module, data module, screen capture module, display module and communication module.
The input module, for inputting screenshotss triggering command.
Specifically, the input module is the key of fixed setting on the steering wheel, key is by a key 1, two keys 2, three keys 3
It is formed with four keys 4.
As shown in figure 3, key is electrically connected with control circuit, screenshotss triggering command is triggered by electric signal.The control electricity
Road includes the first fulcrum 10, the second fulcrum 20, third fulcrum 30 and the 4th fulcrum 40, and first fulcrum 10 is electrically connected electricity
Hinder R5, a key 1 and resistance R4；Second fulcrum 20 is electrically connected resistance R4, two keys 2 and resistance R3；The third fulcrum
30 are electrically connected resistance R3, three keys 3 and concatenated resistance R2, resistance R1；4th fulcrum 40 is electrically connected concatenated
Resistance R2, resistance R1, four keys 4 and branch circuit.The branch circuit include the first parallel branch and the second parallel branch, first
Parallel branch is electrically connected pull-up resistor R6, and the second parallel branch is electrically connected the trigger module.
Resistance R1, resistance R2, resistance R3, resistance R4, resistance 5, resistance R1 and pull-up resistor R6 resistance value set according to function
It is fixed.
As a kind of specific embodiment: the end voltage of pull-up resistor R6 is 3.3 V.Press next key 1, the second parallel branch
Generate 2.14 V of voltage.Two keys 2 are pressed, the second parallel branch generates 2.58 V of voltage.Three keys 3 are pressed, the second parallel branch produces
Raw 1.57 V of voltage.Four keys 4 are pressed, the second parallel branch generates the value of voltage less than 0.322 V.Setting is less than when voltage
When 0.322 V and duration are greater than 5 s, screenshotss triggering command is triggered.
Specifically, the input module inputs screenshotss triggering command by CAN bus signal.
The trigger module, for receiving screenshotss triggering command, to trigger the message processing module.The trigger module
MCU can be used.
The message processing module, including processing unit and elementary area.
The processing unit, for reading the display information of screen.
Specifically, a kind of method for reading the display information of screen is that the processing unit receives external acquisition unit (example
Such as velocity sensor, speed probe) transmission display information.
Described image unit, for that will show that information is displayed on the screen in the form of image bullet frame.
Specifically, described image bullet frame is rectangular or round.
The selecting module needs the selection of screenshotss to show information for selecting and transmitting.
The data module is used for storage system character library, and selection display information is compared with system character library.It is described
System character library includes text, number, letter and symbol.If comparing result is consistent, positioning signal is issued.
The screen capture module, including coordinate unit, generation unit and storage unit.
The coordinate unit, for receiving positioning signal, the positioning selection shows display position of the information in screen,
Obtain coordinate data.
Specifically, the system character library has recorded coordinate of the display information in screen, the coordinate unit receives fixed
After the signal of position, then respective coordinates position is navigated to.
The generation unit, for receiving coordinate data, screenshotss simultaneously save picture.
Specifically, being that radius forms round or sector, institute with certain length (such as 3cm) using received coordinate as starting point
Stating the region that the round or described sector surrounds is screenshotss range, obtains all pixels point information within the scope of the screenshotss to generate
Picture.
GPU can be used in the generation unit.
The storage unit receives the picture that screenshotss generate, 40 picture of default storage.
The earliest picture of storage time is deleted specifically, being greater than and then defaulting when 40 pictures need to store, roll and deposits
Storage.
The display module receives the picture of storage unit transmission, for display and editing picture.
For example, showing " instrument screenshotss data transmission success " if screenshot picture transmission success, the display time is 3 seconds.
If screenshot picture transmission failure, shows " instrument screenshotss data transmission fails ", the display time is 3 seconds.
It should be noted that the reason of screenshotss data transmission fails, has: vehicle power supply gear from ON grades become ACC grades or
OFF grades；Entire vehicle gear becomes reverse gear from non-reverse gear；Switchable liquid crystal instrument or display module theme；Carry out liquid crystal instrument or display
Module upgrade operation；Open IACC function.
The communication module, is used for transmission picture.
Specifically, the communication module passes through network and APP(wechat, microblogging) it realizes the transmission of picture and shares.
The above is only the preferred embodiment of the technical program, it is noted that for the common skill of the art
For art personnel, under the premise of not departing from the technical program principle, several improvement and replacement can also be made, these improve and
Replacement also should be regarded as the protection scope of the technical program.
Claims (9)
1. a kind of liquid crystal instrument screenshotss method, which comprises the steps of:
S01: screenshotss triggering command is received；
S02: reading the display information of screen, and selection needs the selection of screenshotss to show information；
S03: the selection is shown that information is compared with preset system character library, if comparing result matches, positions the choosing
Display position of the display information in screen is selected, so that it is determined that screenshotss region；
S04: according to fixed screenshotss region, screenshotss is carried out and save picture；
S05: display and transmission picture.
2. liquid crystal instrument screenshotss method according to claim 1, which is characterized in that the system character library includes text, number
Word, letter and symbol, and have recorded coordinate of the display information in screen.
3. liquid crystal instrument screenshotss method according to claim 2, which is characterized in that the method for the positioning in step S03 is
The coordinate for first obtaining display information display position in screen navigates to respective coordinates position if comparing result matches.
4. liquid crystal instrument screenshotss method according to claim 1, which is characterized in that the selection in step S03 shows information
A kind of method compared with preset system character library is: text being arranged in the system character library, if judging the selection
It shows that the text of information is identical as text, then display position of the selection display information in screen is positioned, so that it is determined that cutting
Shield region.
5. liquid crystal instrument screenshotss method according to claim 1, which is characterized in that the selection in step S03 shows information
Another method compared with preset system character library is: the multiple numerical intervals of setting in the system character library, if judgement
The number of the selection display information is in a certain numerical intervals out, then it is aobvious in screen to position the selection display information
Show position, so that it is determined that screenshotss region.
6. liquid crystal instrument screenshotss method according to claim 1, which is characterized in that the selection in step S03 shows information
Another method compared with preset system character library is: setting letter in the system character library, if judging the choosing
The unit for selecting display information is identical as letter, then positions display position of the selection display information in screen, so that it is determined that
Screenshotss region.
7. liquid crystal instrument screenshotss method according to claim 1, which is characterized in that the selection in step S03 shows information
Another method compared with preset system character library is: symbol being arranged in the system character library, if judging the choosing
The symbol for selecting display information is identical as symbol, then positions display position of the selection display information in screen, so that it is determined that
Screenshotss region.
8. liquid crystal instrument screenshotss method according to claim 1, which is characterized in that the side of the progress screenshotss in step S04
Method is that the coordinate using display position in screen forms the region round or fan-shaped, the round or described sector surrounds as starting point
As screenshotss range obtains all pixels point information within the scope of the screenshotss to generate picture.
9. a kind of liquid crystal instrument screen-cutting system, which is characterized in that including input module, trigger module, message processing module, selection
Module, data module, screen capture module, display module and communication module；
The input module, for inputting screenshotss triggering command；
The trigger module, for receiving screenshotss triggering command, to trigger the message processing module；
The message processing module, including processing unit and elementary area；The processing unit, the display for reading screen are believed
Breath；Described image unit, for that will show that information is displayed on the screen；
The selecting module needs the selection of screenshotss to show information for selecting and transmitting；
The data module is used for storage system character library, and selection display information is compared with system character library；
The screen capture module, including coordinate unit, generation unit and storage unit；The coordinate unit, for receiving positioning letter
Number, display position of the selection display information in screen is positioned, coordinate data is obtained；The generation unit, for receiving
Coordinate data, screenshotss simultaneously save picture；The storage unit receives the picture that screenshotss generate；
The display module receives the picture of storage unit transmission, for display and editing picture；
The communication module, is used for transmission picture.
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| CN111845345A (en) * | 2020-06-28 | 2020-10-30 | 东风电驱动系统有限公司 | Automobile full liquid crystal instrument display state screenshot transmission method |
| CN114312809A (en) * | 2021-12-31 | 2022-04-12 | 上海洛轲智能科技有限公司 | Vehicle-mounted display terminal control method, device, vehicle, medium and program product |
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| CN110058765B (en) | 2022-06-03 |
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